DFRobot
7 Segment LED Keypad Shield For Arduino
An Arduino-compatible shield featuring a 4-digit 7-segment digital tube display (common cathode, 0.56") with 5 input buttons. Uses I2C to drive the display, ...
An Arduino-compatible shield featuring a 4-digit 7-segment digital tube display (common cathode, 0.56") with 5 input buttons. Uses I2C to drive the display, providing an easy interface for menus, controls, and numeric readouts.
The five onboard buttons (active on pin A0) can serve as menu selection or control inputs, making this shield ideal for standalone Arduino projects that need a simple user interface without an LCD.
Key Features
- 4-Digit 7-Segment Display – 0.56" common cathode digital tube
- 5 Input Buttons – Connected to analogue pin A0
- I2C Interface – Simple communication with Arduino
- Working Voltage – 5V
- Compact Size – 53 × 54mm
Ideal For
- Menu-driven Arduino projects
- Numeric displays and counters
- Simple user interfaces without LCD
- Prototyping interactive controls
Package Contents
- 1× 7-Segment LED Keypad Shield V1.0
Jargon buster
Plain-language definitions for the technical terms used above.
- I2C
- I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
- LCD
- LCD stands for liquid crystal display, a screen technology that uses a backlight and liquid crystals to show images or text. It matters because LCD modules usually need a display driver and enough controller pins or a bus interface to send image data.
- LED
- A light-emitting diode is a small electronic component that lights up when current flows through it in the correct direction. In this kit, LEDs create the flashing effect, so polarity and correct soldering matter for the project to work.
- Shield
- An add-on board that plugs into a main controller board to give it extra features such as sensing, motor control or communication. Knowing a product supports shields helps you judge whether it can connect neatly into an existing maker-board setup.
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Supplier page — dfrobot.com
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